TA7613AP LINEAR INTEGRATED CIRCUIT I-CHIP AM/FM RADIO IC DESCRIPTION Contek TA7613AP Is A One-Chip AM/FM Radio Integrated Circuit That Is Suitable For Portable Radio Applications. It Includes AM Amplifier, Local OSC, AM Mixer, AM/FM Amplifier, AM AGE, FM AGE Circuit And Also Class B Audio Power Amplifier. FEATURES *Low External Components Count. *Wide Operating Voltage : 3 - 13 V. *Internal Regulated Supply For Constant Current Operation. DIP-16 *DC Selection Of AM/FM Mode. BLOCK DIAGRAM AM/FM IN AM IF OUT HF GND 4 3 2 IF bypass AGC bypass 1 16 AM/FM OUT 15 AM/FM IF IF Detector IN 14 AM/FM discriminato AM HF MIXER +Vcc 13 Regulator Audio amplifier AM LO 5 AM local OSC 6 AM HF IN 7 HF bypass 8 9 10 Audio Audio in Ripple detector Suppression out 11 12 Contek Audio GND Audio power out Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:[email protected] 1 TA7613AP LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25 PARAMETER C) SYMBOL VALUE Supply Voltage VCC 11 V Supply Current ICC 44 mA Power Dissipation UNIT PD 600 mW Thermal Resistance RJ-A 100 C /W Operating Temperature TOPX -18 ~ +65 C Storage Temperature TSTG -40 ~ +125 C NOTE:Ta>25 C, DERATE WITH 10mW/ C UNLESS SPECIFIED. ELECTRICAL CHARACTERISTICS PARAMETER Quiescent Circuit SYMBOL TEST CONDITIONS ICCQ SW1 FM,VCC=3V MIN TYP MAX UNIT 7 12 17 mA Current SW1 V Pin 16 ( FM ) V16(FM) Limiting Voltage VIN(Lim) SW1 SW1 FM,VCC=9V 10 17 23 FM,ICC=42mA 2.0 2.4 3.1 FM,VCC=5.5V,-3db 57 V dBmV V16=2.4V,VR=Min. Internal Regulated VCC SW1 AM,ICC=42mA 12.5 13.2 14.0 V AM,VCC=9V 1.4 AM,VCC=12V,VIN=37dB 1.5 3.0 1.9 V V 15 20 dB Voltage V Pin 16 ( AM) V16(AM) Signal to Noise VO SW1 SW1 Ratio Maximum Sensitivity Power Output SW2 S/N POUT 45W,V16=1.4V SW1 AM,VCC=5.5V, SW2 8W,VIN=37.5dB SW2 8W,VCC=5.5V,F=1KHZ 0.28 W VR=Min. THD=10% Total Harmonic THD Distortion Voltage Gain SW2 45W,ICC=42mA,F=1KHZ 0.5 VR=Min. VOUT=2V GV SW2 8W,VCC=5.5V,f=1KHZ 40 VR=Min. Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:[email protected] 4.0 % dB 2 TA7613AP LINEAR INTEGRATED CIRCUIT INPUT - OUTPUT IMPEDANCE(Ta=25 PARAMETER C,VCC=6V) SYMBOL TEST CONDITIONS VALUE UNIT Pin 2 Input Rip2(AM) f=465KHZ 200 kW Impedance ( AM) Cip2(AM) f=465KHZ 3 pF Pin 2 Input Rip2(FM) f=10.7MHZ 30 kW Impedanc(FM) Cip2(FM) f=10.7MHZ 3.5 pF Pin 4 Output Rop4 f=465KHZ 300 kW Impedance Cop4 f=465KHZ 6 pF Pin 6 Input Rip6 f=1MHZ 50 kW Impedance Cip6 f=1MHZ 5 pF Pin 14 Input Rip14(AM) f=465KHZ 300 kW Impedance(AM) Cip14(AM) f=465KHZ 3.5 pF Pin 14 Input Rip14(FM) f=10.7MHZ 300 kW Impedance(FM) Cip14(FM) f=10.7MHZ 4 pF Pin 15 Output Rop15(AM) f=465KHZ 300 kW Impedance(AM) Cop15(AM) f=465KHZ 5.5 pF Pin 15 Output Rop15(FM) f=10.7MHZ 300 kW Impedanc(FM) Cop15(FM) f=10.7MHZ 6 pF Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:[email protected] 3 TA7613AP LINEAR INTEGRATED CIRCUIT TEST CIRCUIT 0.047 mF V13 1 220pF 470 mF V16 Vcc Icc 6 2 3 4 OUTPUT 470 mF 4 1.2kW 3 3 1 10pF AM 45W 4.7kW 16 15 GND 220 mF 6 SW1 8W 1 6 2 FM 470 mF 2 4 SW2 14 13 12 11 0.001 mF 10 9 Contek TA7613AP 22kW Rg=50W ~ 1 3 4 5 6 7 8 3.3 mF 0.022 mF 1 5kW 2pF 220pF Rg=600W AUDIO SIGNAL 2 ~ 50W 6 3 4 4 6 6 3 2 2 3 4 4 3 680pF HF SIGNAL 2 1 1 0.047 mF 51pF 50W 2 6 0.01 mF 1 0.022 mF 0.022 mF FM AM FM IF INOUT SW1 AM HF INPUT VOD Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:[email protected] INPUT 4